{"product_id":"usb-charger-cable-3-7v-400ma-lithium-battery-sm-2p-forward-plug","title":"USB 3.7V 400mA Lithium Battery Charger Cable SM-2P Plug","description":"\u003cp\u003eKeep your 3.7V lithium battery-powered devices charged and ready with this compact \u003cstrong\u003eUSB Charger Cable with SM-2P Forward Plug\u003c\/strong\u003e. Delivering a steady 400mA charge, it features an intelligent IC control circuit for constant-voltage, constant-current charging — so your battery charges efficiently every time.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3.7V \/ 400mA Output:\u003c\/strong\u003e Optimized charging rate for small lithium batteries in RC toys, gadgets, and DIY electronics.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSM-2P Forward Plug:\u003c\/strong\u003e Standard 2-pin SM connector for a secure, reliable fit with compatible battery packs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntelligent IC Protection:\u003c\/strong\u003e Built-in IC control circuit manages constant voltage and current, helping to protect your battery during charging.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUSB Powered:\u003c\/strong\u003e Plug into any USB port — laptop, power bank, or wall adapter — for convenient charging anywhere.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Made from plastic and metal for lasting everyday use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApproximately 60cm Cable Length:\u003c\/strong\u003e Flexible enough to charge comfortably at your workstation or on the go.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput:\u003c\/strong\u003e USB 5V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e 3.7V, 400mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnector Type:\u003c\/strong\u003e SM-2P (Forward Plug)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCable Length:\u003c\/strong\u003e ~60cm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Plastic + Metal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible With:\u003c\/strong\u003e 3.7V lithium battery packs (RC toys, small electronics, DIY projects)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePerfect For\u003c\/h2\u003e\n\u003cp\u003eWhether you're charging batteries for RC toys, small DIY electronics, or hobby gadgets, this USB charger cable offers a straightforward, safe, and dependable solution. It also makes a handy spare or replacement cable to keep in your toolkit.\u003c\/p\u003e\n\n\u003cp\u003eFor general guidance on safe battery charging and handling, refer to the U.S. Consumer Product Safety Commission (CPSC) Battery Safety resources.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eQ: What devices is the USB 3.7V 400mA SM-2P Charger Cable compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This charger cable is designed for 3.7V lithium battery packs that use a standard SM-2P (2-pin) forward connector. Common uses include RC toy battery packs, small hobby electronics, and DIY lithium battery projects. Always verify your battery's voltage and connector type before use.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How does the intelligent IC protection circuit work?\u003c\/h4\u003e\n\u003cp\u003eA: The built-in IC control circuit maintains a constant voltage and current output during charging. This helps prevent overcharging by regulating the charge delivery, keeping your lithium battery operating within safe parameters.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What power source do I need to use this USB charger cable?\u003c\/h4\u003e\n\u003cp\u003eA: Simply plug the USB end into any standard USB 5V power source — such as a USB wall adapter, laptop USB port, or power bank — and connect the SM-2P plug to your compatible lithium battery. No special charger dock is required.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the cable made of?\u003c\/h4\u003e\n\u003cp\u003eA: The cable is constructed from a combination of plastic and metal components, providing a durable and reliable build suited for everyday use.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What devices is the USB 3.7V 400mA SM-2P Charger Cable compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This charger cable is designed for 3.7V lithium battery packs that use a standard SM-2P (2-pin) forward connector. Common uses include RC toy battery packs, small hobby electronics, and DIY lithium battery projects. 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